// Copyright (c) 2012-2014 Sharpex2D - Kevin Scholz (ThuCommix)
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the 'Software'), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using System;
using System.IO;
using System.Linq;
using System.Reflection;

namespace Sharpex2D.Plugin
{
    [Developer("ThuCommix", "developer@sharpex2d.de")]
    [TestState(TestState.Tested)]
    public class PluginActivator : IComponent
    {
        #region IComponent Implementation

        /// <summary>
        /// Gets the guid.
        /// </summary>
        public Guid Guid
        {
            get { return new Guid("520649BC-EAF2-48D4-9938-C240502E8681"); }
        }

        #endregion

        /// <summary>
        /// Loads a plugin into SGL.
        /// </summary>
        /// <typeparam name="T">The Type.</typeparam>
        /// <param name="path">The Path.</param>
        /// <returns>T</returns>
        public static T CreateInstance<T>(string path)
        {
            if (!File.Exists(path))
            {
                throw new FileNotFoundException("The given resource could not be located.");
            }
            Assembly assembly = Assembly.LoadFrom(path);

            if (assembly.GetTypes().Any(type => type == typeof (T)))
            {
                return (T) ((object) assembly);
            }

            throw new PluginException("The resource is not a valid " + typeof (T).FullName + ".");
        }
    }
}